168713080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2087}}^1$

素因数の和:2188

約数の個数: 64

約数和(自身を含む): 396887040

約数和(自身を除く): 228173960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1720, 1880, 2021, 2087, 4042, 4174, 8084, 8348, 10105, 10435, 16168, 16696, 20210, 20870, 40420, 41740, 80840, 83480, 89741, 98089, 179482, 196178, 358964, 392356, 448705, 490445, 717928, 784712, 897410, 980890, 1794820, 1961780, 3589640, 3923560, 4217827, 8435654, 16871308, 21089135, 33742616, 42178270, 84356540, 168713080]

約数ペア:

[(1, 168713080), (2, 84356540), (4, 42178270), (5, 33742616), (8, 21089135), (10, 16871308), (20, 8435654), (40, 4217827), (43, 3923560), (47, 3589640), (86, 1961780), (94, 1794820), (172, 980890), (188, 897410), (215, 784712), (235, 717928), (344, 490445), (376, 448705), (430, 392356), (470, 358964), (860, 196178), (940, 179482), (1720, 98089), (1880, 89741), (2021, 83480), (2087, 80840), (4042, 41740), (4174, 40420), (8084, 20870), (8348, 20210), (10105, 16696), (10435, 16168)]